Fibrinoid necrosis is most characteristically observed in the walls of arteries affected by:
Correct answer: A. Immune mediated vasculitis
- A. Immune mediated vasculitis
- B. Chronic bacterial abscesses
- C. Ischemic brain injury
- D. Fat necrosis of the pancreas
Explanation
Fibrinoid necrosis occurs when immune complexes and plasma proteins damage vascular walls, producing a bright eosinophilic appearance. The other options are associated with different patterns of tissue injury rather than vascular fibrinoid change.
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Covers the causes and mechanisms of disease, cellular injury, inflammation, healing, circulatory disturbances, neoplasia and disorders of major organs. It also includes gross and microscopic pathological changes, specimen interpretation and the distinction between aetiology, pathogenesis, clinical signs and lesions.
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